Active clinical trials for "Sclerosis"

Multiple sclerosis (MS) is a chronic, progressive and unpredictable disease of the central nervous system. In MS, various loss of strength, balance and gait disturbances arise in the central nervous system due to sensory and/or motor neuron degeneration. These disorders lead to limitations in individual activities and participation. Fatigue is as reported one of the most common first three symptoms among patients with MS and affects up to 80% of the patients. Fatigue is defined as the lack of physical and/or mental energy. Sometimes fatigue can reduce the quality of life by leaving other disorders behind. The most important effect of fatigue is that individuals reduce their physical activity levels. This can lead to the inactivity-related secondary problems being added to the findings of the disease. So the physical capacities of individuals may gradually decrease. In the literature, there are many studies showing that the level of physical activity of individuals with MS is lower than in healthy individuals. When the investigators analyze the studies that investigate the relation between fatigue and physical activity levels, it is seen that there is the single study about this subject in the literature. As a result, additional studies are needed to investigate the level of physical activity and the factors affecting it in individuals with MS. Therefore, the investigators planned this study to investigate the relationship between fatigue and physical activity levels in patients with MS.

This study aims to use [C-11]MRB PET (positron emission tomography) imaging to look at brain injury in patients with Multiple Sclerosis (MS) and healthy individuals. The overarching hypothesis is that there is decreased radioligand binding to the norepinephrine transporter in multiple sclerosis, reflecting injury to the noradrenergic system and that it plays a role in disease pathogenesis, its clinical manifestations and severity. This strategy is targeted to address an unmet need because currently available MRI techniques lack sensitivity and specificity for assessing such changes in the brains of people with MS. The specific aims of the study are: To determine norepinephrine transporter binding in the brains of MS patients using [C-11]MRB PET and compare it with age, and sex matched healthy controls. To determine correlation of norepinephrine transporter binding with clinical severity and MRI parameters in MS. To determine correlation of norepinephrine transporter binding with fatigue and cognitive impairment in MS patients.

This study will examine the impacts of two different methods of managing MS-related spasticity of the lower limbs. Both interventions will be presented via video teleconference in group classes consisting of exercises to reduce spasticity.

Validating a peptide-based laboratory test enabling the measurement of Tysabri® serum levels (pharmacokinetics, PK) in multiple sclerosis patients undergoing therapy. The results of this newly developed test will be compared to Tysabri® serum levels measured in parallel using an independent test. We will also simultaneously measure a pharmacodynamic marker of Tysabri®, receptor saturation levels on blood immune cells, which is thought to correlate with Tysabri® serum levels.

The proposed observational trial will collect substantial data concerning dietary intake documented by ALS patients complemented by the analysis of fatty acid distribution in erythrocyte lipids. Both data sets are related to disease status and progress.

Primary Aims: To determine how effective long term Natalizumab (NTZ) therapy is in slowing the progression of whole brain atrophy. Whole brain atrophy rates will be measured through magnetic resonance imaging (MRI) scans and compared between patients with Multiple Sclerosis (MS) who have been using NTZ for at least 2 years versus age and gender-matched healthy controls. The primary outcome will be whole brain atrophy rate measured as the percent change in brain volume (PBVC) over a two-year period. Primary hypothesis: The investigators hypothesize that long term (>2 years) NTZ therapy will slow the rate of whole brain atrophy in patients with Multiple Sclerosis (MS) (as measured by percent change in brain volume), reaching a whole brain atrophy rate similar to that of non-MS controls (a true "disease activity free" state).

Primary Objective: To assess the long-term safety of GZ402668 in patients with multiple sclerosis (MS) who received prior treatment during the TDU13475 or TDU14981 studies. Secondary Objectives: To assess the pharmacokinetics of GZ402668 in patients with MS. To assess the pharmacodynamics of GZ402668 in patients with MS. To assess the immunogenicity of GZ402668 in patients with MS.

This study seeks to examine whether 12 weeks of home-based computerized cognitive training on Cognitive Motor Interference (CMI) will improve walking and cognitive function in persons with MS.

The purpose of this study is to determine whether a training program in the use of ambulatory assistive devices (such as canes, walkers, etc) can reduce falls and increase functional mobility and neural connectivity in people with Multiple Sclerosis.

The purpose of the study is to develop an improved understanding of the long term pharmacokinetics and pharmacodynamics of natalizumab with both standard dosing and extended dosing, and collect additional samples to explore cell-based biomarkers of natalizumab treatment and PML risk.